Use C++11 override instead of CM_OVERRIDE

We now require C++11 support including `override`.  Drop use of
the old compatibility macro.  Convert references as follows:

    git grep -l CM_OVERRIDE -- '*.h' '*.hxx' '*.cxx' |
      xargs sed -i 's/CM_OVERRIDE/override/g'

1 files changed, 4 insertions, 6 deletions

diff --git a/Source/cmLinkLineDeviceComputer.h b/Source/cmLinkLineDeviceComputer.h
index 66941d3..81b48b3 100644
--- a/Source/cmLinkLineDeviceComputer.h
+++ b/Source/cmLinkLineDeviceComputer.h
@@ -23,14 +23,13 @@ class cmLinkLineDeviceComputer : public cmLinkLineComputer
 public:
   cmLinkLineDeviceComputer(cmOutputConverter* outputConverter,
                            cmStateDirectory const& stateDir);
-  ~cmLinkLineDeviceComputer() CM_OVERRIDE;
+  ~cmLinkLineDeviceComputer() override;
 
   std::string ComputeLinkLibraries(cmComputeLinkInformation& cli,
-                                   std::string const& stdLibString)
-    CM_OVERRIDE;
+                                   std::string const& stdLibString) override;
 
   std::string GetLinkerLanguage(cmGeneratorTarget* target,
-                                std::string const& config) CM_OVERRIDE;
+                                std::string const& config) override;
 };
 
 class cmNinjaLinkLineDeviceComputer : public cmLinkLineDeviceComputer
@@ -42,8 +41,7 @@ public:
                                 cmStateDirectory const& stateDir,
                                 cmGlobalNinjaGenerator const* gg);
 
-  std::string ConvertToLinkReference(std::string const& input) const
-    CM_OVERRIDE;
+  std::string ConvertToLinkReference(std::string const& input) const override;
 
 private:
   cmGlobalNinjaGenerator const* GG;